System tests: enhance volume test, add debug prints

Volume test: add a sequence of stat()s to confirm that volumes
are mounted as a different device than root.

Network test: add debugging code for #11825 (dnsmasq inotify
failure in bodhi only).

Signed-off-by: Ed Santiago <santiago@redhat.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/test/system/070-build.bats b/test/system/070-build.bats
index 1d24eef15..3c47b1f5b 100644
--- a/test/system/070-build.bats
+++ b/test/system/070-build.bats
@@ -39,6 +39,7 @@ EOF
     cat >$dockerfile <<EOF
 FROM $IMAGE
 RUN echo $rand_content > /$rand_filename
+VOLUME /a/b/c
 VOLUME ['/etc/foo', '/etc/bar']
 EOF
 
@@ -56,6 +57,25 @@ EOF
 /\[/etc/foo,
 /etc/bar]" "weird VOLUME gets converted to directories with brackets and comma"
 
+    # Now confirm that each volume got a unique device ID
+    run_podman run --rm build_test stat -c '%D' / /a /a/b /a/b/c /\[ /\[/etc /\[/etc/foo, /etc /etc/bar\]
+    # First, the non-volumes should all be the same...
+    is "${lines[0]}" "${lines[1]}" "devnum( / ) = devnum( /a )"
+    is "${lines[0]}" "${lines[2]}" "devnum( / ) = devnum( /a/b )"
+    is "${lines[0]}" "${lines[4]}" "devnum( / ) = devnum( /[ )"
+    is "${lines[0]}" "${lines[5]}" "devnum( / ) = devnum( /[etc )"
+    is "${lines[0]}" "${lines[7]}" "devnum( / ) = devnum( /etc )"
+    is "${lines[6]}" "${lines[8]}" "devnum( /[etc/foo, ) = devnum( /etc/bar] )"
+    # ...then, each volume should be different
+    if [[ "${lines[0]}" = "${lines[3]}" ]]; then
+        die "devnum( / ) (${lines[0]}) = devnum( volume0 ) (${lines[3]}) -- they should differ"
+    fi
+    if [[ "${lines[0]}" = "${lines[6]}" ]]; then
+        die "devnum( / ) (${lines[0]}) = devnum( volume1 ) (${lines[6]}) -- they should differ"
+    fi
+    # FIXME: is this expected? I thought /a/b/c and /[etc/foo, would differ
+    is "${lines[3]}" "${lines[6]}" "devnum( volume0 ) = devnum( volume1 )"
+
     run_podman rmi -f build_test
 }